Fix tiny typo in server.py
Fix tiny typo in server.py

Missing the word 'to'

Change-Id: I6d1cc923b4085f0451a3a4b2d4b716b2c7ac5e96

dims/oslo.messaging,dims/oslo.messaging,apporc/oslo.messaging,dukhlov/oslo.messaging,isyippee/oslo.messaging,zhurongze/oslo.messaging,zhurongze/oslo.messaging,hkumarmk/oslo.messaging,hkumarmk/oslo.messaging,magic0704/oslo.messaging,ozamiatin/oslo.messaging,apporc/oslo.messaging,isyippee/oslo.messaging,ozamiatin/oslo.messaging,stevei101/oslo.messaging,dukhlov/oslo.messaging,magic0704/oslo.messaging,stevei101/oslo.messaging